Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ISZ callsign genealogy
Currently held by Weisz, Keith E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W3ISZ's current licensee, walking backwards.
- Weisz, Keith ECAgranted 2010-10-13cancelled 2011-01-25
Successor callsigns
Callsigns held now by people who previously held W3ISZ.
No current licensee on record previously held this callsign.